The assertion that "there is no free lunch" means that
a) marginal analysis is used in economic reasoning.
b) choices need not be made if behavior is rational.
c) there are always trade-offs between economic goals.
d) all production involves the use of scares resources and thus the sacrifice of alternative goods.

Tl & co. is following a related-linked diversification strategy, and soar inc. is following a related-constrained diversification strategy. how do the two firms differ from each other? a. soar inc. generates 70 percent of its revenues from its primary business, while tl & co. generates only 10 percent of its revenues from its primary business. b. soar inc. pursues a backward diversification strategy, while tl & co. pursues a forward diversification strategy. c. tl & co. will share fewer common competencies and resources between its various businesses when compared to soar inc. d. tl & co. pursues a differentiation strategy, and soar inc. pursues a cost-leadership strategy, to gain a competitive advantage.